WO2011160791A3 - Touch-sensitive surface - Google Patents

Touch-sensitive surface Download PDF

Info

Publication number
WO2011160791A3
WO2011160791A3 PCT/EP2011/002967 EP2011002967W WO2011160791A3 WO 2011160791 A3 WO2011160791 A3 WO 2011160791A3 EP 2011002967 W EP2011002967 W EP 2011002967W WO 2011160791 A3 WO2011160791 A3 WO 2011160791A3
Authority
WO
WIPO (PCT)
Prior art keywords
electrodes
voltages
control value
circuit
touch
Prior art date
Application number
PCT/EP2011/002967
Other languages
German (de)
French (fr)
Other versions
WO2011160791A2 (en
Inventor
Gerd Reime
Original Assignee
Gerd Reime
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gerd Reime filed Critical Gerd Reime
Publication of WO2011160791A2 publication Critical patent/WO2011160791A2/en
Publication of WO2011160791A3 publication Critical patent/WO2011160791A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact

Abstract

A touch-sensitive surface has a conductive coating wherein the surface, at at least two opposite sides, is connected to electrodes (1.3) for generating a field at the surface. A drive circuit generates a voltage which is applied to the electrodes (1.3) in a mutually inverted manner by means of a clock circuit (4.8) and can be influenced capacitively at the electrodes (1.3) by the approach of an object (1.1). The voltages of the electrodes are combined at a summation point (4.40). A splitting circuit (4.6) splits the voltage supplied by the electrodes (1.3) clock-synchronously and assigns it to the electrodes. A comparator (4.7) is provided for comparing the voltages assigned to the electrodes (1.3) in order to determine a control value (4.16) for detecting the position and/or movement of the object (1.1), wherein the control value corresponds to the local position of the object on the surface. A control circuit is provided for the inverted control of the electrodes by means of the control value (4.16) until the voltages supplied from the electrodes are identical at the comparator (4.7). A capacitively acting touch pad is thereby provided which enables a high transparency and is vandal-proof.
PCT/EP2011/002967 2010-06-22 2011-06-16 Touch-sensitive surface WO2011160791A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010024658.1 2010-06-22
DE102010024658A DE102010024658A1 (en) 2010-06-22 2010-06-22 Touch-sensitive surface

Publications (2)

Publication Number Publication Date
WO2011160791A2 WO2011160791A2 (en) 2011-12-29
WO2011160791A3 true WO2011160791A3 (en) 2012-03-15

Family

ID=45091223

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/002967 WO2011160791A2 (en) 2010-06-22 2011-06-16 Touch-sensitive surface

Country Status (2)

Country Link
DE (1) DE102010024658A1 (en)
WO (1) WO2011160791A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015120606A1 (en) 2015-11-27 2017-06-01 Valeo Schalter Und Sensoren Gmbh Curved detection device for a motor vehicle, operating arrangement and motor vehicle
DE102018128037B4 (en) * 2018-11-09 2023-09-07 Valeo Schalter Und Sensoren Gmbh Lighting device and manufacturing method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886687A (en) * 1997-02-20 1999-03-23 Gibson; William A. Touch panel system utilizing capacitively-coupled electrodes
US20040104826A1 (en) * 2002-10-31 2004-06-03 Harald Philipp Charge transfer capacitive position sensor
DE102007048402A1 (en) * 2007-10-09 2009-04-16 Gerd Reime Control unit and method for triggering a function

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10133823A1 (en) 2001-07-16 2003-02-27 Gerd Reime Optoelectronic device for position and movement detection and associated method
EP2085861A1 (en) 2008-01-29 2009-08-05 Research In Motion Limited Electronic device and touch screen display
US20090277696A1 (en) * 2008-05-09 2009-11-12 Reynolds Joseph K Gradient sensors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886687A (en) * 1997-02-20 1999-03-23 Gibson; William A. Touch panel system utilizing capacitively-coupled electrodes
US20040104826A1 (en) * 2002-10-31 2004-06-03 Harald Philipp Charge transfer capacitive position sensor
DE102007048402A1 (en) * 2007-10-09 2009-04-16 Gerd Reime Control unit and method for triggering a function

Also Published As

Publication number Publication date
WO2011160791A2 (en) 2011-12-29
DE102010024658A1 (en) 2011-12-22

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